Learn the Science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It’s cool and fun!
Learn the Science of connecting an electric circuit. Construct your own door buzzer and place it behind your door. Stop intruders from your room. It’s cool and fun!
Complimentary delivery to an address on mainland Singapore with an online purchase of $150 & above nett.
If online purchase is below $150 nett, OG will provide delivery at an additional charge of $1.99.
Delivery will be made within 7 weekdays excluding Public Holidays. We regret we will not be able to accommodate specific delivery time slots.
For in-store services, click here.